NPCs composing that spawngroup :

a_crystalline_sentinel (33%)

a_crystal_sentinel (33%)

NPCs spawning around that spawngroup :
(Max range : 200)

velketor_1, range=140 (303,60,35)

velketor_27, range=193 (134,-78,-85)

velketor_52, range=118 (55,132,-38)

velketor_53, range=91 (107,47,8)

a_crystal_gargoyle (100%)

velketor_54, range=160 (12,106,5)

a_crystalline_gargoyle (100%)

velketor_55, range=23 (178,135,-54)

Velketor_the_Sorcerer (100%)

velketor_56, range=180 (19,16,134)

an_icy_watcher (50%)
a_crystalline_gargoyle (50%)

velketor_59, range=188 (21,0,99)

velketor_61, range=52 (197,66,-112)

a_velium_stalker (50%)
The_Brood_Master (50%)

velketor_62, range=106 (79,60,-73)

velketor_63, range=39 (183,74,-112)

velketor_64, range=161 (140,-46,-92)

a_velium_broodling (50%)
a_velium_hunter (50%)

velketor_65, range=84 (105,60,-73)

velketor_85, range=182 (88,-50,-29)

velketor_86, range=162 (170,-50,-29)

velketor_89, range=181 (38,235,6)

velketor_90, range=118 (85,32,6)

a_crystal_guardian (50%)
Rijoely (50%)

velketor_93, range=117 (140,-1,10)

velketor_94, range=68 (172,180,-58)

Crystal_Guardian (100%)
Crystal_Guardian (100%)

velketor_95, range=156 (18,139,11)

an_icy_watcher (100%)

velketor_96, range=171 (182,-59,-109)

a_large_crystal_shard (50%)
a_large_crystal_shard (50%)

five_189758, range=190 (-3,38,-69)

A_tentacle (50%)
five (50%)

two_189760, range=158 (198,-44,-109)

The_walls (50%)
two (50%)

six_189764, range=98 (179,14,-109)

A_chill (50%)
six (50%)

Something_seems_189768, range=187 (26,-6,-70)

four (50%)
Something_seems (50%)

velketor_99114, range=74 (225,59,-187)